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HomeMy WebLinkAboutIteris_City of Diamond Bar Professional On-call_Technical ProposalCity of Diamond BarProfessional On-Call Traffic & TransportationEngineering Services Technical Proposal ITERIS, INC. PROPOSAL RESPONSE FOR: Prepared For:Prepared By: March 17, 2026 11477-141.26 Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | i of ii COVER LETTER March 17, 2026 Christian Malpica Associate Engineer/Project Manager City of Diamond Bar – Public Works Department 21810 Copley Drive Diamond Bar, CA 91765 11477-141.26 RE: Proposal for Professional On-Call Traffic and Transportation Engineering Services The City of Diamond Bar continues to prioritize safety, reliable, and efficient transportation operations across its roadway network. Maintaining this performance requires responsive engineering support, deep knowledge of the City’s communication and traffic systems, and the ability to quickly address operational challenges as they arise. Iteris has had the privilege of supporting the City in these efforts over the past several years, working closely with Public Works staff to maintain and improve traffic operations throughout the community. Through this ongoing collaboration, our team has developed a detailed understanding of city’s traffic signal infrastructure, communications network, and traffic management systems. This institutional knowledge allows Iteris to respond quickly to the City’s needs, provide practical engineering solutions, and support City staff without the learning curve typically required by new consultants. Iteris proposes Mr. Omid Modaghegh, MCSE, IMSA as Project Manager for this opportunity. Mr. Modaghegh has been the technical support and communicator with the city for the past several years – he has extensive experience supporting local agencies with traffic operations, signal timing, communications systems, and ITS infrastructure throughout Southern California. He has directly supported the City of Diamond Bar and is familiar with the City’s signal systems, adaptive operations, SCOOT and communications architecture. As Project Manager, Mr. Modaghegh will serve as the City’s primary point of contact and will oversee all task assignments to ensure responsive service, technical quality, and clear communication. In addition to Mr. Modaghegh, he will be supported by Mr. Bernard Li, EE, TE, PTOE with over 35-years of Transportation and Traffic Engineering experience will be the Principal-In-Charge and Quality Assurance and Quality Control (QA/QC) lead. Below is a list of Iteris’ distinct advantages: • DIRECT FAMILIARITY WITH CITY’S TRAFFIC SYSTEMS AND COMMUNICATIONS INFRASTRUCTURE. Iteris brings unmatched continuity and institutional knowledge of the City’s transportation environment. Our team is familiar with the City’s traffic signal network, ATMS environment, Siemens TACTICS platform, adaptive SCOOT operations, Siemens SEPAC 2070 controllers, Siemens Ruggedcom switches, Clary battery backup systems, Cohu CCTV cameras, and the TranSuite video control system. This familiarity allows Iteris to respond efficiently, troubleshoot issues faster, and support the City without the learning curve required by a new consultant. • DEPTH OF QUALIFIED MULTIDISCIPLINARY STAFF AND TECHNICAL EXPERTISE Iteris provides the City with a multidisciplinary team that includes experts in traffic engineering, traffic studies, signal timing, traffic signal design, ITS integration, communications systems, plan check, and construction support. Our staff includes licensed engineers, IMSA certified professionals, and personnel with Microsoft, Cisco, and related technical certifications. This depth allows Iteris to provide complete support across the full range of on call services through one coordinated team. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | ii of ii •PROVEN RESPONSIVENESS AND TRUSTED DELIVERY TO THE CITY OF DIAMOND BAR Iteris has supported City of Diamond Bar over multiple years with day-to-day engineering assistance, operational support, and system level technical expertise. Our team understands how to work effectively with City staff, respond to urgent needs, and develop solutions that are technically sound, practical to implement, and aligned with the City’s goals. This proven working relationship allows Iteris to continue delivering dependable service and strong value to the City from day one. Iteris acknowledges receipt of Addendum #1 released March 13, 2026. Iteris appreciates the opportunity to submit this proposal and looks forward to continuing to support the City of Diamond Bar with responsive, high-quality traffic and transportation engineering services. Please contact me at (949) 270-9633 or bkl@iteris.com, or the designated Project Manager (PM), Mr. Omid Modaghegh, at (949) 270-9632 or oxm@iteris.com, should you have any questions. Sincerely, Iteris, Inc. Bernard K. Li, EE, TE, PTOE Vice President, Mobility Consulting Services, West Bernard K. Li, EE, TE, PTOE is authorized to bind Iteris, Inc. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 1 of 15 FIRM PROFILE Firm Background and Relevant Experience Iteris has been the market leader in smart mobility infrastructure management since 1987. Iteris’ 470 staff have decades of expertise in traffic management, along with superior services and patented products that help detect, measure, and manage traffic and vehicular performance, minimize traffic congestion, enhance safety, and empower Iteris clients with solutions to better manage their transportation networks. Iteris Team members are experts in the fields of transportation planning, traffic engineering, and ITS. Knowledge of these practice areas enables Iteris to provide comprehensive services ranging from initial traffic impact studies, transportation modeling, planning, systems engineering, and detailed design, through implementation and performance measurement/monitoring. Iteris combines the knowledge of transportation engineers, systems engineers, system integrators, software engineers, and transportation planners to offer an unmatched combination of talent and experience. Iteris develops and deploys innovative solutions that help agencies reduce traffic congestion, enhance transit use, monitor and manage transportation networks and provide greater access to reliable traveler information. Relevant Transportation Engineering Services Over the past five years, our team has developed a strong working relationship with the City of Diamond Bar through ongoing traffic and transportation engineering support. That experience has provided a solid understanding of the City’s priorities, processes, and expectations, and positions us to deliver responsive on call services across the key areas identified in this RFP. Support has include traffic engineering studies, VMT and environmental document review, geometric and traffic signal design, PS&E, plan checking, construction support, transportation planning and coordination, TransSuite VMS, SCOOT, and TACTICS ATMS support, traffic network communication troubleshooting, signal timing and coordination, and attendance at meetings as needed. With experienced staff and local familiarity, our team can respond efficiently to task orders, coordinate closely with City staff and consultants, and provide timely, high quality technical support aligned with the City’s needs. TRAFFIC ENGINEERING • Traffic impact studies and development review • Review of traffic sections of environmental documents • Intersection level of service and operational analysis • Speed surveys and speed limit determinations School safety evaluations • Traffic control device evaluations and warrant studies • Queue analysis and congestion mitigation strategies • Before and after operational evaluations • Safety review of traffic patterns and field conditions Traffic engineering services focus on evaluating roadway, intersection, and corridor conditions to help the City address operational, safety, and development related needs. These services support both day-to-day traffic concerns and more detailed technical reviews tied to development activity, public requests, and system performance Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 2 of 15 TRAFFIC SIGNAL DESIGN AND CONSTRUCTION SUPPORT • Traffic signal design and modification • Signing and striping plans • Preparation of plans, specifications, and estimates • Plan check and review of traffic related submittals • Review of traffic signal plans, traffic control plans, and permit related plans • Construction administration and inspection support as requested • Field review, implementation support, and project closeout assistance Traffic signal design and construction support services carry projects from early design through field implementation. This work includes preparation of design documents, review of traffic related plans and submittals, and construction phase support to help maintain consistency between design intent, City standards, and installed improvements. TRANSPORTATION PLANNING • Traffic Transportation planning studies and technical analysis • Site access and circulation studies • Environmental transportation review and VMT analysis • Traffic forecasting and operational modeling • Corridor and neighborhood traffic studies • Master planning and multimodal mobility analysis • Congestion Management Program data and compliance support Transportation planning services support the City’s broader mobility goals through technical analysis, forecasting, environmental review, and system level planning. These services may include corridor, site specific, neighborhood, and citywide planning efforts that help guide future improvements and support informed decision making. TRAFFIC MANAGEMENT CENTER AND SIGNAL OPERATIONS SUPPORT • Traffic Management Center operational support • Support for VMS and ATMS platforms, including TransSuite, SCOOT, TACTICS, and related applications • Traffic signal timing, coordination, and progression updates • Field communications troubleshooting and network support • TMC staffing support during special events, peak periods, or other City needs Traffic management center and signal operations support services help the City maintain reliable day-to-day system operations, and effective communications.. This work includes support for central system operations, timing implementation, field communications, system integration, and staffing assistance when needed to support City operations and special conditions. ON CALL SUPPORT • Supplemental staffing support in the role of City traffic engineering assistance as needed • Attendance and presentation support for City Council, Commission, staff, and community meetings • Technical support for traffic related capital improvement projects • Coordination with City staff, developers, contractors, utility providers, and other consultants On call support services provide the City with flexible technical assistance that extends beyond individual studies or design tasks. These services are intended to supplement City staff with responsive engineering support, coordination, meeting participation, and assistance with ongoing transportation related matters as they arise. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 3 of 15 Iteris has extensive transportation engineering, planning and ITS on-call experience, having successfully managed and completed hundreds of on-call task orders for a wide variety of public agencies and municipalities. Iteris has the experience and capacity to respond quickly to task orders with accelerated schedules without sacrificing quality of work. The blend of Iteris’ local knowledge and vast transportation management experience is what the city needs to tackle any challenges or technical requests that arise. Iteris’ past on-call engagements have involved the evaluation of impacts to traffic, transit and safety as a result of new developments (i.e. residential, retail, commercial), trip/parking generation, traffic control warrants, queuing analysis, travel demand forecasting, capacity analysis/simulation, pedestrian/bicycle/ transit access studies, origin/ destination analysis (using models, license surveys and MacID addresses), circulation analysis and traffic engineering design tasks (e.g. signals, signing, striping, lighting, temporary traffic control, ITS, ETC.). Table 1 – Iteris’ On-Call experience provides a selection of agencies to which Iteris has provided on-call services over the past five years. Table 1 – Iteris’ On-Call Experience CITY/AGENCY Traffic Engineering Transportation Planning ITS Traffic Signal Operations Environmental Studies Modeling/Forecasting California State University, Long Beach   Caltrans     City of Aliso Viejo   City of Anaheim       City of Beaumont    City of Beverly Hills     City of Buena Park    City of Cypress   City of Diamond Bar    City of Eastvale   City of Fountain Valley  City of Garden Grove  City of Irvine      City of Irwindale    City of Laguna Niguel    City of Laguna Woods   City of Lake Forest    City of Long Beach     City of Los Angeles Planning Department   City of Newport Beach   City of Orange    City of Oxnard   City of Pasadena      City of Pomona     City of Rancho Palos Verdes   City of Rialto   City of San Diego  City of San Marcos   City of Tustin    City of West Hollywood    CRA, City of Los Angeles   Los Angeles County Metro     Los Angeles Parks and Recreation  Los Angeles Unified School District Orange County Transportation Authority     Port of Long Beach    Port of Los Angeles    Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 4 of 15 PROJECT TEAM With local offices in Santa Ana, Los Angeles and Oakland, Iteris has the resources of over 100 team members throughout California dedicated to Traffic Engineering, Transportation Planning, and ITS. Iteris’ proposed team organization is provided in Figure 1 – Project Team Organization. Figure 1– Project Team Organization KEY  Task Lead Omid Modaghegh, IMSA, MCSE Project Manager Bernard Li, EE, TE , PTOE Principal-in-Charge STAFF ROLE CITY OF DIAMOND BAR EXPERIENCE AVAILABILITY Traffic Engineering / Studies Design / PS&E / Plan Checking Construction Support Transportation Planning / Coordination Traffic Management Systems / Signal Operations Meetings / Other Services Omid Modaghegh IMSA, MCSE Project Manager  50%       Bernard K. Li, EE, PE, PTOE Principal-in-Charge  45% Deepak Kaushik, PE Task Lead  45%   Michelle Haas, PE, TE Task Lead 50%   Naree Kim, PE Task Lead  45%  Bowen Yang, PE Task Lead  60%  Andrew Freeman, PE, TE, PTOE 50%  Raymond Liang, EIT 55%  Alex Nguyen  60%    Angaelos Hanna  55%  Delbert Lavezzari-Smith Task Lead  45%  Sean T. Daly, AICP, PTP 50%  Chris Devlin 55%  Rasool Andalibian, PhD Task Lead  50%  Linhua Li, PE, PTOE 60%  Natali Luevanos Mendez  60%   SungWoo Jo, TE 60%  Bill Zhou, EIT 60%   Eric Chiu 60%  Marjan Mosslemi 60%  Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 5 of 15 Omid Modaghegh, IMSA, MCSE – Project Manager Mr. Modaghegh serves as a Senior Engineer for Iteris’ Mobility Consulting Services and was previously with the firm from 2014 to 2018. He returned in December 2019Mr. Modaghegh has 12 years of experience with ITS, communications systems, traffic design, and traffic signal timing. He establishes HIL (Hardware in the Loop Simulation) using VISSIM, ASC/3 and 2070 Controller, 332 Hybrid cabinet including all interface configuration for his master’s thesis. He also has six years of experience in the IT field in establishing network specifications, designing router administration, including interface configuration and routing protocols. Mr. Modaghegh’s software knowledge includes i2, CENTRACS, TACTICS, MaxView, and various traffic controllers such as ASC/3, 2070, and McCain/BiTran 170. He is also proficient in VISSIM, Synchro, Tru-Traffic, and PC-Travel software. Deepak Kaushik, PE – Task Lead Mr. Kaushik serves as an Associate Vice President for Iteris’ Mobility Consulting Services and has been with the firm since 2008. He has over 24 years of transportation planning and engineering experience, which includes transportation systems analysis, multimodal mobility planning, highway operations, traffic safety, and travel-demand modeling. He enjoys the technical aspects of the projects he manages, but also embraces the interaction with stakeholders, city officials, and the public. Most of all, he welcomes the challenge of finding solutions that improve mobility for all users. Bernard K. Li, EE, TE, PTOE - Principal-in-Charge Mr. Li serves as a Vice President of Iteris’ Mobility Consulting Services and has been with the firm since 2010. He has 38 years of experience in providing professional services in planning, design and implementation of traffic engineering and Intelligent Transportation Systems (ITS). Mr. Li has served as Project Manager or Principal-in-Charge on numerous traffic and ITS design/construction, traffic signal timing and synchronization, operational analysis, feasibility studies and municipal traffic engineering projects. His traffic engineering design expertise includes traffic signal installation, signal modification, roadway signage/striping, street lighting, and worksite traffic control and neighborhood traffic management. Mr. Li’s ITS experience comprises fiber optic communications, wireless communications, Closed-Circuit Television (CCTV), Video-Detection System (VDS) and Dynamic Message Signs (DMS). He is also highly experienced in traffic signal operations, having assisted numerous agencies in the analysis, retiming, and synchronization of traffic signals, both corridor and network wide. Mr. Li’s transportation planning expertise includes traffic impact studies, parking studies, transportation master plans, signal warrant analysis and stop warrant analysis. He has served as City Traffic Engineering Consultant for many agencies, helping to resolve numerous day-to-day traffic engineering issues, including resident inquiries, plan checking, and safety evaluations. Naree Kim, PE – Task Lead Ms. Kim serves as Associate Vice President for Iteris’ Mobility Consulting Services with prior leadership experience at Iteris, returning with expanded expertise in Intelligent Transportation Systems (ITS) and transportation engineering gained over four years in the industry. She has over 23 years of experience in planning, design and implementation of traffic engineering and Intelligent Transportation Systems (ITS). Ms Kim has served as Project Manager on numerous traffic and ITS design/construction, traffic signal timing and synchronization, operational analysis, feasibility studies and municipal traffic engineering projects. Her traffic engineering design expertise includes traffic signal installation, signal modification, roadway signage/striping, street lighting, and worksite traffic control and neighborhood traffic management. Ms. Kim’s ITS experience comprises fiber optic communications, wireless communication, Closed-Circuit Television (CCTV), Video-Detection System (VDS) and Dynamic Message Signs (DMS). Ms. Kim’s transportation planning expertise includes traffic impact studies, parking studies, transportation master plans, signal warrant analysis and stop warrant analysis. Bowen Yang, PE – Task Lead Mr. Yang serves as a Senior Engineer for Iteris’ Mobility Consulting Services division and has been with the firm since February 2016. Mr. Yang is an engineering professional with over 11 years of experience and a solid background in traffic, transportation, civil, and structural engineering. He has consistently delivered project within budget and schedule, and always seeks to produce creative solutions. Mr. Yang has a strong ability to work independently and provide support for multiple concurrent priorities, and always receive high client satisfaction. Mr. Yang’s software experience includes AutoCAD/Civil 3D, AutoTurn, MicroStation/InRoads, GuidSign, Synchro, and Vissim, and MS Office. Delbert Lavezzari-Smith – Task Lead Mr. Lavezzari serves as an Associate Engineer for Iteris’ Mobility Consulting Services division and has been with the firm since April 2016. He has over seven years of experience working in Traffic Engineering and System Design. Mr. Lavezzari has provided support on various Intelligent Transportation Systems (ITS) projects by performing field inventory, generating base AutoCAD design plans, and drafting summary reports of the field data collected. Mr. Lavezzari’s software knowledge includes AutoCAD, MicroStation and Synchro. Rasool Andalibian, PHD – Task Lead Dr. Andalibian serves as a Senior Engineer for Iteris’ Consulting Services division and has been with the firm since October 2015. He has eight years of experience working in Traffic Engineering and Transportation Planning. Dr. Andalibian’s areas of expertise are signal timing optimization, traffic operation, traffic impact analysis study, and travel demand modeling. His software experience includes Synchro, Tru-Traffic, HCS, TRAFFIX, VISSIM, CORSIM, SimTraffic, TransCAD, EMME/2, MicroStation, AutoCAD, Minitab, SPSS, GAMS and ArcGIS. Michelle Haas, PE, TE – Task Lead Mrs. Haas serves as an Associate Engineer for Iteris’ Mobility Consulting Services and has been with the firm since December 2021. She has over 6 years of experience working in the fields of transportation engineering and planning. She has worked on a variety of project types including developing traffic design plans, traffic safety studies, signal timing optimization, operations analysis, and travel forecasting. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 6 of 15 Project Understanding The City of Diamond Bar is requesting a consultant team that can step in as needed to support the city staff across a broad range of transportation-related assignments. Work under this contract will range from traffic operations, transportation planning, plan review, signal design, field coordination to traffic management system support. Each task will require clear communication, sound engineering judgment, and the ability to adapt to the City’s priorities and schedule. The City’s transportation system serves residential neighborhoods, commercial areas, schools, major arterial corridors, and regional travel connections. Supporting this network requires practical solutions that balance safety, mobility, and overall system operations. Technical support should not only address immediate operational needs but also help the city maintain reliable performance and make informed decisions as transportation needs continue to evolve. On call assignments can vary significantly in size and complexity, ranging from focused operational reviews to larger studies, design support, and implementation assistance. A successful team must be able to respond efficiently, define the issue quickly, and provide recommendations that are clear, actionable, and aligned with City objectives. Coordination with City staff and other stakeholders will also be important to keep tasks moving and avoid delays. Iteris’ recent on-call support with the city for the past several years provides our team’s invaluable experience and understanding of City’s signal infrastructure, communications environment, operational needs and process. This experience and knowledge set us apart from other consulting firms by reducing ramp up time and allowing the team to provide effective support from the start of the contract. Project Approach and Methodology A responsive and well-defined task order process is essential to deliver high quality transportation engineering services. Our approach is centered on clear communication, timely response, technical accuracy, and practical implementation. The objective is to support the City with reliable engineering services that are aligned with task requirements, schedules, and operational priorities. For each assignment, the Iteris project manager will coordinate with the City’s project manager to confirm the scope, schedule, review available information, and expected deliverables. This initial coordination helps define the level of effort, establish the task objectives, and confirm the appropriate technical approach before work begins. Once a task order is authorized, the team will review available background information such as plans, traffic data, signal timing information, prior studies, and other relevant materials. When needed, field verification will also be performed to confirm existing conditions and identify issues affecting safety, traffic operations, or overall system performance. Based on the nature of the assignment, the team will then perform the appropriate engineering analysis using established traffic engineering practices and professional judgment. Depending on the task, this work may include traffic operations review, safety evaluation, signal timing analysis, design development, or transportation planning assessment. The focus will remain on developing clear, practical, and implementable recommendations that support City objectives. Figure Typical Task Order Delivery Process CITY TASK ORDER REQUEST City identifies need for engineering support. TASK ORDER SCOPING & COORDINATION Confirm scope, schedule, deliverables; assign Iteris Team. DATA REVIEW & FIELD VERIFICATION Review plans, taraffic data, signal timing; conduct field review. ENGINEERING ANALYSIS & EVALUATION Traffic ops analysis, safety review, signal timing, design/ planning. DEVELOP RECOMMENDATIONS Prepare concepts, memos, studies; coordinate with City staff. QA/QC REVIEW Technical Staff > Task Lead > Senior QA/QC. DELIVERABLES TO CITY Reports, Timing Plans, Design Recommendations. IMPLEMENTATION SUPPORT Signal timing implementation, field verification, Coordination. ONGOING SUPPORT Follow-up analysis and additional task orders. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 7 of 15 Throughout each assignment, regular coordination with the City project manager will help keep the work aligned with task objectives, review expectations, and schedule requirements. This coordination will support efficient decision making and help minimize unnecessary review cycles. All deliverables will undergo internal quality review prior to submittal to confirm technical accuracy, clarity, and consistency. When included as part of a task order, support may also extend through implementation related activities such as signal timing updates, field verification, and coordination with City representatives or contractors. Scope of Services The following sections describe the transportation engineering services that can be provided under this on call contract. Assignments may range from focused technical support and brief reviews to more involved studies, design efforts, field coordination, and operational improvements. The level of effort for each task can be tailored to the City’s specific needs, schedule, and priorities. This contract is intended to provide the City with responsive support across a broad range of transportation-related needs. Depending on the assignment, work may include technical analysis, coordination with staff and stakeholders, review of available information, preparation of exhibits or memoranda, and follow up during implementation. Some task orders may be completed quickly, while others may require a broader level of review and coordination. In each case, the goal will be to provide practical, well organized, and dependable support that helps the city move work forward efficiently. A. Traffic Engineering and Traffic Studies (Task Lead: Deepak Kaushik) Traffic engineering services will be a major part of this contract and may include both routine and more detailed technical evaluations. Some assignments may be tied to development review or environmental documentation, while others may focus on specific operational or safety concerns identified by City staff or the public. In each case, the work will focus on understanding existing conditions, identifying the issue clearly, and providing recommendations that are practical and supported by sound engineering judgment. Services in this area may include: • Review of traffic impact studies and traffic sections of environmental documents • Speed surveys and speed limit determinations • School safety evaluations and citizen complaint investigations • Intersection level of service analysis and traffic control device evaluations • Evaluation of pedestrian and intersection safety improvements, including Leading Pedestrian Intervals, pedestrian scramble operations, and turn restriction treatments such as No Right Turn on Red • Vehicle Miles Traveled analysis, including project screening, technical review, mitigation evaluation, and support for CEQA compliance consistent with State and regional guidelines Depending on the assignment, findings may be documented through a technical memorandum, formal study, or focused summary prepared for City review. B. Design, Plans Specifications and Estimates, and Plan Checking (Task Lead: Bowen Yang) When assignments move into design, support may extend from early review of existing conditions through preparation of complete plans, specifications, and estimates. This may include geometric improvements, traffic signal design, signing and striping plans, multimodal improvements and related traffic control improvements. Available record drawings, field conditions, utility considerations, and operational needs will be reviewed at the outset of a project, therefore final design is aligned with City priorities and project requirements. Plan checking will also be an important part of this contract, particularly for proposed development projects and traffic control plans related to encroachment permits. Reviews will focus on compliance with City standards, Caltrans requirements, the California MUTCD, operational impacts, safety, and constructability. Comments will be organized clearly so staff and applicants can resolve issues efficiently and keep the review process moving. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 8 of 15 Typical support in this area may include: • Geometric design and traffic signal design, including preparation of PS&E • Signing and striping plan preparation • Plan checking and document review for proposed development projects • Review of traffic control plans related to encroachment permits For complete submittals, plan check review can be completed within the City’s target turnaround of ten working days, unless otherwise directed by the city. C. Construction Support (Task Lead: Delbert Smith-Lavezzari) Construction support helps move a project from approved plans into successful field implementation. Services may include review of contractor submittals, responses to requests for information, field observation during installation, coordination during equipment replacement and startup, and follow up through final implementation. The goal is to help the City maintain consistency between the approved design and the completed work while reducing delays and resolving issues early in the field. Iteris also brings relevant on call construction inspection experience from similar traffic signal improvement projects for other local agencies. This work has included observing field construction during traffic signal cabinet, controller, and related equipment upgrades, reviewing installation progress from the equipment review stage through final implementation, preparing punch lists and field checklists, and coordinating closely with contractors and City staff throughout construction. This experience supports efficient project delivery and helps maintain consistency between approved plans, field conditions, and final operation. D. Transportation Planning and Coordination (Task Lead: Michelle Haas) Some task orders may be broader in nature and may focus more on transportation planning and coordination than on immediate operational or design issues. These assignments may support the City’s long range transportation needs, corridor planning efforts, and coordination with other agencies or consultants. In those cases, the work will focus on helping the City evaluate options, organize technical information, and support projects that affect overall system performance. This area may include: • Preparation of traffic data for compliance with the Congestion Management Program • Support for the City’s transportation system planning efforts, including SR 57 and SR 60 related studies, grade separation projects, and transit studies • Coordination with City staff and consultants regarding traffic requirements for Capital Improvement Projects Because these efforts often involve multiple parties and moving project elements, close coordination with the City will remain important throughout the assignment. E. Traffic Management Systems and Signal Operations (Task Lead: Rasool Andalibian) Traffic management systems and signal operations support are especially relevant to this contract because many City needs involve signal timing, communications, equipment performance, and daily system operation. Through our recent on-call support with the city , our team has developed familiarity with the City’s traffic signal environment, including TransSuite VMS, SCOOT, TACTICS ATMS, field communications, and related operational needs. That experience allows us to respond efficiently, reduce ramp up time, and support reliable system performance. Support in this area may include: • Field technical support for traffic network communication troubleshooting, equipment setup, and configuration. • Support for ongoing traffic signal operations, including implementation of signal timing and synchronization, as needed. Assignments may range from focused field issues to broader operational review of system and corridor performance. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 9 of 15 F. Meetings and Additional Services (Task Lead: Naree Kim) Iteris understands that effective communication and coordination with City staff, decision-makers, and stakeholders are essential to the successful delivery of on-call services. As part of this task, our team will be available to attend and support a variety of meetings as requested by the city, including City Council meetings, Traffic and Transportation Commission meetings, community meetings, and other coordination meetings. When attending these meetings, Iteris staff will be prepared to present technical information in a clear and concise manner, respond to questions from City leadership and stakeholders, and provide professional recommendations that support the City’s transportation and mobility objectives. Our team will also assist the city in preparing meeting materials as needed, including technical memoranda, presentation slides, exhibits, and supporting documentation to help communicate project objectives, analysis results, and recommended actions. We understand the importance of translating technical concepts into information that is accessible and meaningful for both decision- makers and the public. In addition to meeting support, Iteris will remain flexible and responsive in providing other related services as requested or directed by the city. These services may include technical coordination with other agencies, participation in interdepartmental working groups, preparation of briefings or responses to inquiries, and other specialized support tasks that may arise during the course of the contract. Our team’s experience working with local agencies throughout Southern California allows us to respond quickly and effectively to these requests while ensuring that all services remain aligned with the City’s goals and priorities. COMPARABLE WORK PERFORMED Iteris has extensive experience providing on-call traffic and transportation engineering services to cities throughout Southern California. Our team regularly supports local agencies with traffic engineering studies, development review, signal timing optimization, traffic signal design, transportation planning, and traffic management system support. Through these on-call contracts, Iteris works closely with city staff to respond to day-to-day operational needs, evaluate transportation issues, and implement practical solutions that improve safety and mobility. The following projects demonstrate Iteris’ experience delivering responsive and reliable on call transportation engineering services for local jurisdictions with transportation systems similar to the City of Diamond Bar. These projects include traffic engineering analysis, signal operations support, design services, and coordination with City staff and stakeholders. #1 City of West Hollywood On-Call Engineering Services Duration: 3/1/2023 – Ongoing Richard Garland, Principal Traffic Engineer rgarland@weho.org , (323) 848-6457 City of West Hollywood 8300 Santa Monica Boulevard West Hollywood, CA 90069 Iteris provides on-call traffic engineering and intelligent transportation systems support to the City of West Hollywood, assisting the city with traffic signal operations, safety improvements, system upgrades, and implementation of advanced traffic technologies. Working closely with City staff, Iteris functions as an extension of the Public Works and Transportation team by providing engineering analysis, design services, system troubleshooting, and implementation support across the City’s signalized network. Under this engagement, Iteris supports a wide range of operational and capital improvement initiatives aimed at improving traffic operations, pedestrian safety, and system reliability. The city has prioritized implementation of innovative safety treatments and signal operation enhancements, including pedestrian priority strategies and upgrades to signal controller and communication infrastructure. Iteris has also provided technical assistance for system integration, field troubleshooting, and signal timing updates across the City’s network. Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 10 of 15 Iteris’ familiarity with the City’s signal systems, communications infrastructure, and traffic management software has allowed the team to quickly respond to operational issues, evaluate system performance, and implement improvements with minimal disruption to ongoing City operations. Services provided under this on-call contract include: • Development and implementation of Leading Pedestrian Intervals (LPI) • Evaluation and implementation for All-Way Pedestrian Phase • Battery Backup System (BBS) integration and operational analysis • Preparation of PS&E packages for BBS deployment • Traffic signal timing updates and optimization • Analysis of Right Turn on Red restrictions and pedestrian safety treatments • Transit Signal Priority (TSP) evaluation and implementation support • Traffic signal controller upgrades and cabinet improvements • ATMS Transparity system support and signal monitoring • Communication system troubleshooting and network diagnostics • Intersection safety analysis and operational improvements • Field investigations and signal operations troubleshooting Through this ongoing partnership, Iteris has helped the city advance its goals of improving multimodal safety, enhancing traffic signal performance, and maintaining reliable transportation system operations. #2 Cypress On-Call City Traffic Engineer/Traffic Signal and Varies Engineering Services Duration: 7/14/20 – Ongoing Daniel Co, PE. City Engineer DCo@cypressca.org, (714) 229-6756 City of Cypress 5275 Orange Ave. Cypress, CA 90630 Iteris serves as the City Traffic Engineer for the City of Cypress, providing comprehensive traffic engineering and transportation engineering services on an on-call basis. Under this role, Iteris supports the City with traffic operations, capital improvement design, communications infrastructure, and traffic signal system management. Iteris works closely with City staff to evaluate traffic conditions, prepare engineering designs, and oversee implementation of signal system improvements. The team provides both planning and design services as well as operational support to ensure that the City’s signal network continues to function efficiently and reliably. As part of this engagement, Iteris has supported numerous projects involving signal controller upgrades, communications network improvements, and deployment of advanced transportation technologies. The team has also assisted the City with construction inspection services, field verification, and troubleshooting of signal communications and detection systems. Services provided under this contract include: • Intersection operational analysis and traffic studies • Development review and traffic engineering support • Field investigations and troubleshooting of signal system issues • Traffic signal timing updates and corridor optimization across the City • Traffic signal controller upgrades and modernization • Preparation of PS&E packages for traffic signal and ITS improvements • Variable Message Sign (VMS) design and ATMS system integration • Communications system troubleshooting and diagnostics • Wireless radio network design and implementation • Traffic signal and communications construction inspection services Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 11 of 15 • CCTV and detection system evaluation and deployment Iteris’ role as City Traffic Engineer allows the City of Cypress to maintain reliable traffic signal operations while advancing infrastructure upgrades and implementing modern traffic management technologies. #3 City of Long Beach On-Call Duration: 10/21/2021 – Ongoing Saed Roudsari, P.E. Senior Traffic Engineer Saed.Roudsari@longbeach.gov, (562) 570-6741 Long Beach City Hall 411 W. Ocean Blvd, 5th Floor Long Beach, CA 90802 Supporting the City of Long Beach through this on-call contract has involved a diverse range of traffic engineering, intelligent transportation systems, and transportation related assignments. The work covers operational needs, technical studies, system troubleshooting, engineering design, and targeted infrastructure support, allowing the City to draw on experienced technical assistance as individual needs arise across its transportation network. Assignments completed under this engagement have included support for traffic signal communication issues, Traffic Management Center (TMC) design, implementation, equipment and facility needs, ITS design development, corridor level traffic analysis, and environmental review assistance. This work has required close coordination with City staff, review of existing field conditions, engineering evaluation of system needs, and preparation of practical recommendations to support both near-term operational improvements and longer-term project development. Experience gained through these assignments has built strong familiarity with the City’s transportation system priorities, communications infrastructure, and operational challenges. This experience has allowed timely responses to a broad range of as needed requests while supporting the City’s goals related to mobility, safety, reliability, and implementation of transportation improvements. Services provided under this contract include: • Traffic and communication troubleshooting along Ocean Boulevard • Traffic Management Center (TMC) design and upgrade support • Mid-City ITS engineering design services • Comprehensive traffic study support for the 2nd Street Corridor • On call traffic analysis and environmental services • Inspection and repair services for the TMC video wall Professional On-Call Traffic and Transportation Engineering Services City of Diamond Bar Iteris, Inc. | 12 of 15 REFERENCES The following project references highlight our team’s experience delivering similar on-call services for public agencies. These references demonstrate our ability to successfully manage, coordinate and implement projects comparable in scope and complexity. NAME AND TITLE Richard Garland, Principal Traffic Engineer EMAIL ADDRESS AND PHONE NUMBER rgarland@weho.org , (323) 848-6457 ADDRESS City of West Hollywood 8300 Santa Monica Boulevard West Hollywood, CA 90069 NAME AND TITLE Daniel Co, PE. City Engineer EMAIL ADDRESS AND PHONE NUMBER DCo@cypressca.org, (714) 229-6756 ADDRESS City of Cypress 5275 Orange Ave. Cypress, CA 90630 NAME AND TITLE Saed Roudsari, P.E. Senior Traffic Engineer EMAIL ADDRESS AND PHONE NUMBER Saed.Roudsari@longbeach.gov, (562) 570-6741 ADDRESS Long Beach City Hall 411 W. Ocean Blvd, 5th Floor Long Beach, CA 90802 TERMS AND CONDITIONS Iteris accepts all terms and conditions with the consulting services agreement. STATEMENT OF AVAILABILITY Iteris maintains a robust team of qualified and experienced professionals to ensure consistent and reliable delivery of all required services. Our staffing approach provides the capacity and flexibility needed to meet all contractual requirements efficiently while maintaining the highest standards of quality and responsiveness. We have carefully selected a specific team to support the City of Diamond Bar for this exciting on-call contract. The proposed key personnel will be available to the extent necessary for the duration of the on-call project. Fee for Proposals for Professional On-Call Traffic and Transportation Engineering Services CITY OF DIAMOND BAR Iteris, Inc. | 1 FEE PROPOSAL March 17, 2026 Christian Malpica Associate Engineer/Project Manager City of Diamond Bar - Department of Public Works 21810 Copley Drive Diamond Bar, CA 91765 11477-141.26 RE: Fee Proposal for Professional On-Call Traffic and Transportation Engineering Services Dear Christian Malpica, Iteris, Inc. (Iteris) is submitting this Fee Proposal in response to Request for Proposals for Professional On-Call Traffic and Transportation Engineering Services. Table 1 (page 2) summarizes the total fee estimate for the project, which includes proposed staff billing rates (fully burdened), staff hours per task, and direct costs for data collection and travel. Iteris proposes Mr. Omid Modaghegh, IMSA, MCSE as Project Manager for this project. He will be the principal contact with the City of Diamond Bar. Mr. Modaghegh will oversee work from project inception to completion and will also be responsible for coordinating staff activities and meetings. Iteris acknowledges receipt of Addendum #1 released March 13, 2026. Thank you for the opportunity to submit our fee proposal. Iteris looks forward to assisting the City of Diamond Bar with this important on-call contract. Please contact me at (949) 270-9633 or bkl@iteris.com, or the designated Project Manager (PM), Mr. Omid Modaghegh, at (949) 270-9632 or oxm@iteris.com, should you have any questions. Sincerely, Iteris, Inc. Bernard K. Li, EE, TE, PTOE Vice President Mobility Consulting Services, West Bernard K. Li, EE, TE, PTOE is authorized to bind Iteris, Inc. FEE PROPOSAL CITY OF DIAMOND BAR Fee for Proposals for Professional On-Call Traffic and Transportation Engineering Services CITY OF DIAMOND BAR Iteris, Inc. | 2 Table 1 – Hourly Bill Rates provides detailed rates by task for all team members that will be assigned to this project. Standard Terms and Conditions • Rates above are effective through 6/30/2029 (covering the initial 3 year contract term) • Task Orders will utilize individual staff rates at time of Letter Proposal submission, NTE Max Billing Rates. Default Standard Terms and Conditions • Subconsultant, Subcontractor and Equipment expenses to be billed at negotiated cost plus markup. • Other direct expenses to be billed at cost, unless otherwise negotiated. • Mileage rates will be based upon current IRS standard rates. STAFF CLASSIFICATION Support Staff I $111 $142 Support Staff II $181 $270 Assistant Engineer/Planner $120 $145 Associate Engineer/Planner $139 $189 Engineer/Planner $147 $233 Senior Engineer/Planner I $201 $254 Senior Engineer/Planner II $239 $280 Lead Engineer/Senior Manager $248 $323 Associate Vice President/Principal/Director $258 $382 Vice President/Chief Scientist $365 $464 Min Billing Rate Max Billing Rate Table 1 – Hourly Bill Rates Thank you! iteris.com